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Showing Results for estimating to subtract

For students learning how to estimate during subtraction, this exercise will make matters much simpler.


Estimating to Subtract

Students will use number lines to subtract fractions with common denominators.

Subtract Fractions on a Number Line

Subtracting with multiple zeros in the “top number” doesn’t need to be a seemingly endless cycle of borrowing. The Subtract One strategy simplifies the task with two easy steps.

Subtract One Strategy: Subtracting with Zeros

Many students cringe when they see a subtraction problem with multiple zeros. The “Subtract One” strategy in this lesson involves reducing the top number by one to turn the 0 digits into 9’s and then adding the one back in at the end.

“Subtract One” Strategy: Subtracting From Zeros Without Borrowing

Subtract the numbers to find the difference, then color code the answer for odd or even.

Subtracting Raindrops

Help your visual learners show their work as they subtract fractions with like denominators.

Visually Subtracting Fractions

Students will add and subtract fractions with like denominators in this two-part quiz.

Adding and Subtracting Fractions Quiz

When your fourth grader is ready to move on to multiple-digit addition and subtraction, these riddles will make review fun and challenging.

Add and Subtract

Use familiar household items and decorations to turn estimation into a fun game!

Estimating Numbers

To properly subtract fractions, students will first need to work through this exercise demonstrating how to find like denominators.


Subtracting Fractions With Like Denominators

Practice subtracting three-digit numbers using compensation in this third-grade worksheet!

Subtract Within 1,000 Using Compensation #1

Take your fourth grader's skills with subtractions one step further by helping them learn how to subtract fractions with the same denominators.

Introducing Fractions: Subtracting Fractions

Become a master subtracter with this helpful subtraction strategy!

Subtract Using Decomposition: Make a Number Line Model #3

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

Estimating Area

Learn to solve double-digit subtraction problems with this compensation worksheet for second and third graders!

Subtract Using Compensation: Match and Solve

Children learn to subtract their way to the quotient in this division worksheet.

Division with Repeated Subtraction

Put your logic skills to the test as you add and subtract large numbers.

Missing Digits

Stretch your fourth grader's fraction savvy by helping them add and subtract simple fractions.

Fraction Addition and Subtraction

Build your two-digit subtraction skills with this inviting worksheet!

Subtract Using Compensation: Number Line Models

Adding and subtracting large numbers can sometimes be difficult. Estimating is an easy way to figure out if your answer is close, or if you need to try again.

Using Estimation: Knowing What’s Too Big and Too Small

Teach your students to add and subtract fractions with like denominators using a strategy that works for both operations: converting mixed numbers into improper fractions and back again!

Single Strategy for Adding and Subtracting Mixed Numbers

What&rsquo;s the heaviest object in your home? What about the lightest? Find out with this helpful third-grade worksheet!

Estimating Mass: Around the House

Learn to use the compensation strategy to construct simpler subtraction problems in this colorful worksheet!

Subtract Using Compensation: Make a New Equation

Practice spelling, math, and critical thinking with this fun addition and subtraction worksheet. Solve math problems to reveal answers to riddles.

Math Riddles: Add and Subtract

Teach your students to subtract mixed numbers with like denominators using the strategy of decomposition. This strategy helps students to manipulate and break down numbers to help them solve tricky subtraction problems. 

Subtracting Mixed Numbers Using the Decomposition Strategy

Add, subtract, multiply, and divide your way to mixed math mastery in this helpful worksheet!

Mixed Operations: Cut and Paste #3

From the tiniest ant to the biggest elephant, every animal has a mass!

Estimating Mass: At the Zoo

It's time to calculate.. time! In this exercise your class will use a number line to add and subtract time.

Solving Time Problems with a Number Line

Kids use details from the word problems on this third grade math worksheet to construct and solve subtraction problems with numbers up to three digits long.

Subtraction Word Problems: Subtract 'Em

Can you break a ten? An everyday exchange of money can help students think about regrouping to subtract. Students will use bundled popsicle sticks to see how values grouped into tens can be regrouped into ones to allow us to subtract. 



Regrouping with Popsicle Sticks: Double-Digit Subtraction

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